- 专利标题： SYSTEM AND METHOD FOR DIAGNOSING AN EXHAUST GAS SENSOR
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申请号： US18168301申请日： 2023-02-13
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公开(公告)号： US20240272038A1公开(公告)日： 2024-08-15
- 发明人: Andrew Bagnasco , Jose Francisco Martinez Leyva , Tyler DeWine , Hassene Jammoussi , Adam Krach , Gladys Galicia
- 申请人： Ford Global Technologies, LLC
- 申请人地址： US MI Dearborn
- 专利权人： Ford Global Technologies, LLC
- 当前专利权人： Ford Global Technologies, LLC
- 当前专利权人地址： US MI Dearborn
- 主分类号： G01M15/10
- IPC分类号： G01M15/10 ; F02D21/04 ; F02D21/08 ; F02D35/00 ; F02D41/14
摘要：
A method and system for monitoring an exhaust gas sensor coupled in an engine exhaust is provided. In one example, the method determines an estimate of an exhaust gas oxygen sensor time constant according to a comparison of air/fuel ratios and a system time constant.
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